Home / 21,791,544.81-30,071,151.21-12,000,074.73

Finding the Fourth Proportional to 21,791,544.81, 30,071,151.21 and 12,000,074.73

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Solution

The fourth proportional to 21,791,544.81, 30,071,151.21 and 12,000,074.73 is: 16,559,452.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,791,544.81 : 30,071,151.21 = 12,000,074.73 : x
  2. Step 2: Convert to fraction form
    21,791,544.81/30,071,151.21 = 12,000,074.73/x
  3. Step 3: Cross multiply
    21,791,544.81x = 30,071,151.21 × 12,000,074.73
  4. Step 4: Simplify right side
    21,791,544.81x = 360,856,061,737,129.94
  5. Step 5: Solve for x
    x = 360,856,061,737,129.94/21,791,544.81
  6. Step 6: Final answer
    x = 16,559,452.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.